23152272525 has 60 divisors (see below), whose sum is σ = 44364952500. Its totient is φ = 11922059520.

The previous prime is 23152272523. The next prime is 23152272527. The reversal of 23152272525 is 52527225132.

It is an interprime number because it is at equal distance from previous prime (23152272523) and next prime (23152272527).

It can be written as a sum of positive squares in 6 ways, for example, as 1432809 + 23150839716 = 1197^2 + 152154^2 .

It is not a de Polignac number, because 23152272525 - 2¹ = 23152272523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23152272525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152272523) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 138400 + ... + 255849.

It is an arithmetic number, because the mean of its divisors is an integer number (739415875).

Almost surely, 2^23152272525 is an apocalyptic number.

23152272525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23152272525 is a deficient number, since it is larger than the sum of its proper divisors (21212679975).

23152272525 is a wasteful number, since it uses less digits than its factorization.

23152272525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394300 (or 394286 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

Adding to 23152272525 its reverse (52527225132), we get a palindrome (75679497657).

The spelling of 23152272525 in words is "twenty-three billion, one hundred fifty-two million, two hundred seventy-two thousand, five hundred twenty-five".